第32题: [单项选择]The teacher was busy ______ sums upon the blackboard. She was too busy ______ the students' questions. A. to write out; answering B. to write out; to answer C. writing out; to answer D. writing out; answering 参考答案:C 答案解析:本题为句型搭配。be busy doing something 意为“忙于做某事”;too busy to do something 意为“太忙碌以至于不能做某事”。本题大意为:老师忙着在黑板上写算术
第33题: [单项选择]可同时伴有脑积水和脊柱裂的是() A. 狭颅症 B. Dandy-Walker畸形 C. 颅底陷入症 D. Arnold-Chiari畸形 E. 中脑导水管狭窄 参考答案:D